#include <iostream>

using namespace std;

int main()
{
    cout << "1" << endl;
    cout << "2" << endl;
    cout << "3" << endl;
    cout << "4" << endl;
    cout << "5" << endl;
    cout << "6" << endl;
    cout << "7" << endl;
    cout << "8" << endl;
    cout << "9" << endl;
    cout << "10" << endl;
    cout << "11" << endl;
    cout << "12" << endl;
    cout << "13" << endl;
    cout << "14" << endl;
    cout << "15" << endl;








    return 0;
}
